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Overview

Nodes can be viewed in the Tdarr WebUI on the Tdarr tab in the Nodes section.

Various node options can be found by clicking on the Node name and then clicking the Options button. The logs can be viewed by clicking the Logs button.

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Node Types​

There are 2 node types. Both node types can be used with health checks, classic plugin stacks and flows.

Mapped​

This is the standard node type and is required to be either on the same file system as the server or have mapped volumes/shares which use Tdarr path translators to keep all file system operations in sync between node and server. So source and cache folders on the server and node should point to the same location.

Unmapped​

Beta - New in 2.27.01 with Tdarr Pro​

This new node type operates independently from the server's file system allowing and easy setup when you're wanting to offload processing to a machine where share mappings etc are inconvenient or not possible. Download and upload of working files is handled automatically.

However, there are some important caveats to consider:

  • Classic Plugin Stacks and Flows:

    • The unmapped node will only work with plugins that act directly on the working file, such as audio/video transcoding and remuxing.
    • It will not work with plugins that perform actions on non-working files (e.g., extracting subtitle streams into SRT files). In this scenario, the SRT files will remain on the unmapped node and won’t be transferred to the server. Future plugin updates will need additional logic to handle these scenarios. These sorts of operations are normally quick and non-intensive operations that can be performed on a mapped node.
    • At the end of a plugin stack, the unmapped node will automatically upload the new file to the server.

  • Flows with File System Operations:

    • For now, operations such as Replace Original File and other file system-related tasks must be done on a mapped node.
    • To handle this, the flow should:
      1. Use the Tags: Worker Type flow plugin with the tag unmapped to first run transcoding or similar tasks on an unmapped node.
      2. Then, use the Tags: Worker Type flow plugin with the tag mapped to process the file on a mapped node.
    • The mapped node will automatically download the file from the unmapped node and replace the original file on the server.

In this way you can have a powerful unmapped node doing transcoding and a low powered mapped node that handles moving files around. See the Chapter 8: Unmapped Nodes flow tutorial for an example.

Usage​

To use unmapped nodes, enable Allow unmapped Nodes on the Options tab in Tdarr, then set the following Node env/config variables:

nodeType=unmapped
unmappedNodeCache=/cache

Set unmappedNodeCache to wherever is convenient but it should a dedicated directory just for Tdarr as the cache cleaner will automatically delete any files not related to Tdarr jobs.

caution

When Allow unmapped Nodes is enabled, files in Tdarr's library source and cache folders will be accessible through Tdarr's network API

info

When performing a quick or thorough health check on an unmapped node, the entire file will be sent to the node to be scanned